Drying device for electronic accessory processing

Abstract

The utility model relates to the technical field of electronic accessory processing, in particular to a drying device for electronic accessory processing, which comprises a box body provided with a box door, the outer wall of the box body is communicated with a moisture removal pipe, the outer wall of the moisture removal pipe is provided with a moisture removal valve, and a first drying structure is arranged in the box body. A second drying structure is arranged at the top end in the box body; the first drying structure comprises a plurality of layers of drawer type drying frames arranged in the box body, heating units arranged at the bottom ends of the drying frames and honeycomb-shaped ceramic radiators installed between the drying frames and the heating units, electronic accessories with the similar temperature resistance degree are placed in one drying frame, the heating units are used for heating, and the drying frames are arranged in the box body; and the electronic accessories in the drying frame are dried, so that synchronous treatment of the accessories with different temperature resistance levels can be compatible through layered temperature control, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic fittings processing technical field, specifically disclose a drying device for electronic fittings processing. BACKGROUND

[0002] Electronic fittings (such as circuit board, chip package body etc.) need to carry out quick drying treatment after washing, coating or welding, to prevent residual moisture from causing oxidation or electrochemical corrosion.

[0003] Chinese patent number CN206862065U discloses a kind of electronic fittings drying device for electronic fittings processing.It includes outer barrel body, inner barrel body, shell, heating wire, first motor, disc, compression cylinder, piston, connecting rod, air inlet pipe, first check valve, air outlet pipe, second check valve, screen frame, bucket cover, exhaust pipe and exhaust valve, inner barrel body is arranged in outer barrel body, heating cavity is arranged between inner barrel body and outer barrel body, shell is symmetrically arranged in the heating cavity between outer barrel body and inner barrel body, and heating wire is connected in shell by screw.The utility model reaches the effect of novel structure, low manufacturing cost and simple operation 。

[0004] The above document accumulates electronic fittings in screen frame, which leads to insufficient heating uniformity, and cannot control temperature layer by layer, so that only the fittings with the same temperature resistance level in the same batch can be processed, therefore, a drying device for electronic fittings processing is needed to solve this problem. INVENTION CONTENTS

[0005] The utility model discloses a kind of drying device for electronic fittings processing, by layering temperature control, it can be compatible with different temperature resistance level fittings synchronous processing, to improve work efficiency;And dispersed airflow, make airflow to the electronic fittings in drying rack even dry.

[0006] The utility model discloses a kind of drying device for electronic fittings processing, including the box body being provided with box door, the outer wall of the box body is connected with the exhaust pipe of the exhaust valve being installed in outer wall, the inside of the box body is provided with first drying structure, the top of the inside of the box body is provided with second drying structure;

[0007] First drying structure includes drawer type drying rack arranged in the inside of box body in multiple layers, heating unit arranged at the bottom end of drying rack, honeycomb ceramic radiator installed between drying rack and heating unit;

[0008] Second drying structure includes annular air duct installed in the top of the inside of box body, flow guide hole being opened in the bottom end of annular air duct and being annularly distributed, multiple flow guide plates being fixedly connected to the bottom end of annular air duct and being located outside flow guide hole, connecting cavity being arranged in the top of box body and being communicated with annular air duct, centrifugal fan being communicated with connecting cavity.

[0009] Preferably, the drying device for electronic accessory processing is characterized in that the bottom end of the drying rack is provided with a temperature sensor.

[0010] Preferably, the drying device for electronic accessory processing is characterized in that the heating unit is composed of nickel-chromium alloy resistance wires arranged in a serpentine shape and embedded in a high-temperature-resistant mica plate.

[0011] Preferably, the drying device for electronic accessory processing is characterized in that the drying rack is made of a stainless steel woven mesh, the mesh surface is stamped as a whole into a wave-shaped undulating structure, and a silica gel non-slip pad is arranged at the wave peak.

[0012] Preferably, the drying device for electronic accessory processing is characterized in that the upper end surface of the box body is symmetrically provided with two fresh air inlets, and a filter hopper is arranged in each of the two fresh air inlets.

[0013] Preferably, the drying device for electronic accessory processing is characterized in that the left and right sides of the drying rack are fixedly connected with mounting blocks, and the left and right sides of the inner wall of the box body are provided with mounting grooves matched with the mounting blocks.

[0014] Preferably, the drying device for electronic accessory processing is characterized in that the outer wall of the box body is provided with a control panel, and the heating unit, the ceramic radiator, the centrifugal fan and the temperature sensor are electrically connected with the control panel.

[0015] The drying device for electronic accessory processing has the following advantages:

[0016] 1. The multiple drying racks are arranged, so that single-layer pulling and maintenance can be realized without overall shutdown.

[0017] 2. The electronic accessories with similar temperature resistance are placed in a drying rack, the heating unit is heated, the electronic accessories in the drying rack are dried, and then through the layered temperature control, different temperature grade accessories can be synchronously processed, so that the working efficiency is improved.

[0018] 3. The axial airflow generated by the centrifugal fan is converted into radial diffusion airflow through the annular air duct, and is sprayed downward through the flow guide hole, so that the local overheating caused by direct blowing of the airflow is avoided, and the airflow is further dispersed through the flow guide plate, so that the electronic accessories in the drying rack are uniformly dried. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0020] Figure 1 It is the overall structural diagram of the drying device for electronic accessory processing.

[0021] Figure 2 It is the main view of the drying device for electronic accessory processing.

[0022] Figure 3 It is the drying rack structure diagram.

[0023] Figure 4 It is the annular air duct upside-down structure diagram.

[0024] In the figure, 1, box body; 101, wet exhaust pipe; 102, fresh air inlet; 2, drying rack; 201, ceramic radiator; 202, heating unit; 203, temperature sensor; 204, mounting block; 3, annular air duct; 301, flow guide hole; 302, flow guide plate; 303, connecting cavity; 304, centrifugal fan; 4, control panel. DETAILED DESCRIPTION

[0025] The utility model will be further explained in connection with the drawings and specific embodiments, to help understanding the contents of the utility model. The method used in the utility model is conventional method if no special provision; the raw materials and devices used are conventional market products if no special provision.

[0026] Please refer to Figures 1-4 A drying device for electronic accessory processing, including the box door setting box body 1, the outer wall of box body 1 is communicated with the wet exhaust valve of wet exhaust pipe 101 installed on the outer wall, the inside of box body 1 is provided with first drying structure, the top of the inside of box body 1 is provided with second drying structure;

[0027] The first drying structure includes the drawer type drying rack 2 arranged in multiple layers in the inside of box body 1, the heating unit 202 arranged at the bottom end of drying rack 2, the honeycomb ceramic radiator 201 installed between drying rack 2 and heating unit 202;

[0028] The second drying structure includes the annular air duct 3 installed at the top of the inside of box body 1, the flow guide hole 301 opened at the bottom end of annular air duct 3 and distributed in a ring shape, the flow guide plate 302 fixedly connected to the bottom end of annular air duct 3 and located outside the flow guide hole 301, the connecting cavity 303 arranged at the top of box body 1 and communicated with annular air duct 3, the centrifugal fan 304 communicated with connecting cavity 303.

[0029] In the embodiment, by setting multiple layers of drying rack 2, single-layer pull maintenance can be realized without overall shutdown.

[0030] The electronic components to be dried are placed in the multi-layer drying rack 2, electronic components with different temperature resistance levels can be placed in one drying rack 2, then the heating unit 202 is heated, and heat is transmitted to the drying rack 2 through the honeycomb ceramic heat sink 201, so that the electronic components in the drying rack 2 are dried, and through the layered temperature control, different temperature resistance levels of the components can be synchronously processed, so that the work efficiency is improved;

[0031] At the same time, the centrifugal fan 304 is started to work, air is transmitted to the annular air duct 3 through the connecting cavity 303, the axial airflow generated by the centrifugal fan 304 is converted into radial diffusion airflow, and the radial diffusion airflow is sprayed downward through the guide hole 301, so that local overheating caused by direct blowing of the airflow is avoided, and the airflow is further dispersed through the guide plate 302, so that the airflow uniformly dries the electronic components in the drying rack 2.

[0032] As a technical optimization scheme of the utility model, the bottom end of the drying rack 2 is provided with a temperature sensor 203.

[0033] In the embodiment, the temperature sensor 203 can be used to detect the temperature in the drying rack 2.

[0034] As a technical optimization scheme of the utility model, the heating unit 202 is composed of nickel-chromium alloy resistance wires arranged in a serpentine shape and embedded in a high-temperature-resistant mica plate.

[0035] In the embodiment, the resistance wires generate heat, the mica plate is uniformly heated, the ceramic honeycomb horizontally conducts heat, and then radiates to the drying rack 2.

[0036] As a technical optimization scheme of the utility model, the drying rack 2 is made of a stainless steel woven mesh, the mesh surface is integrally stamped into a wave-shaped undulating structure, and a silica gel anti-skid pad is arranged at the wave peak.

[0037] In the embodiment, the hot air penetration rate can be ensured, the airflow dead angle is reduced, the silica gel anti-skid pad can be used for anti-skid positioning to prevent small components (such as patch capacitors) from rolling and shifting.

[0038] As a technical optimization scheme of the utility model, two fresh air inlets 102 are symmetrically arranged on the upper end face of the box body 1, and a filter hopper is arranged in each fresh air inlet 102.

[0039] In the embodiment, when the dehumidification valve discharges high-humidity air, the fresh air inlet 102 introduces dry air from the outside to maintain the air pressure balance in the box body 1, avoid negative pressure to cause airflow turbulence, and the filter hopper can be used to isolate external impurities from entering the box body 1.

[0040] As a technical optimization scheme of the utility model, the left and right sides of the drying rack 2 are fixedly connected with mounting blocks 204, and the left and right sides of the inner wall of the box body 1 are provided with mounting grooves matched with the mounting blocks 204.

[0041] In the embodiment, the drying rack 2 can be conveniently pulled out of the box body 1 through cooperation of the mounting grooves and the mounting blocks 204.

[0042] As a technical optimization scheme of the utility model, the outer wall of the box body 1 is provided with a control panel 4, and the heating unit 202, the ceramic heat spreader 201, the centrifugal fan 304 and the temperature sensor 203 are electrically connected with the control panel 4.

[0043] In the embodiment, the heating unit 202, the ceramic heat spreader 201, the centrifugal fan 304 and the temperature sensor 203 can be controlled to work normally through the control panel 4.

[0044] The working principle and use process of the utility model are as follows: through the setting of the multilayer drying rack 2, single-layer pulling maintenance can be realized, and overall shutdown is not needed;

[0045] The electronic accessories to be dried are placed in the multilayer drying rack 2, the electronic accessories with the same temperature resistance degree can be placed in one drying rack 2, then the heating unit 202 is heated, and heat is conducted through the honeycomb ceramic heat spreader 201 to transmit heat to the drying rack 2, so that the electronic accessories in the drying rack 2 are dried, and then through the layered temperature control, different temperature resistance grade accessories can be synchronously processed, thereby improving the work efficiency;

[0046] At the same time, the centrifugal fan 304 is made to work, air is transmitted to the annular air duct 3 through the connecting cavity 303, the axial airflow generated by the centrifugal fan 304 is converted into radial diffusion airflow, and the radial diffusion airflow is sprayed downward through the flow guide hole 301, so that local overheating caused by direct blowing of the airflow is avoided, and the airflow can be further dispersed through the flow guide plate 302, so that the airflow uniformly dries the electronic accessories in the drying rack 2.

[0047] In the description of the utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0048] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application. The replacement of equivalent components or equivalent changes and modifications within the scope of the present application should still be within the scope of the present application.

Claims

1. A drying apparatus for processing electronic components, comprising a cabinet (1) provided with a cabinet door, characterized in that: The outer wall of the box (1) is communicated with a dehumidification pipe (101) provided with a dehumidification valve, the inside of the box (1) is provided with a first drying structure, and the top end of the inside of the box (1) is provided with a second drying structure. The first drying structure comprises a drawer type drying rack (2) arranged in multiple layers in the inside of the box (1), a heating unit (202) arranged at the bottom end of the drying rack (2), and a honeycomb ceramic radiator (201) mounted between the drying rack (2) and the heating unit (202). The second drying structure comprises a ring-shaped air duct (3) mounted at the top end of the inside of the box (1), flow guide holes (301) arranged at the bottom end of the ring-shaped air duct (3) and in a ring shape, a plurality of flow guide plates (302) fixedly connected to the bottom end of the ring-shaped air duct (3) and located outside the flow guide holes (301), a connecting cavity (303) arranged at the top end of the box (1) and communicated with the ring-shaped air duct (3), and a centrifugal fan (304) communicated with the connecting cavity (303).

2. The drying apparatus for processing electronic components according to claim 1, wherein: The bottom end of the drying rack (2) is provided with a temperature sensor (203).

3. The drying apparatus for processing electronic components according to claim 1, wherein: The heating unit (202) is composed of a nickel-chromium alloy resistance wire arranged in a serpentine shape, embedded in a high-temperature resistant mica plate.

4. The drying apparatus for processing electronic components according to claim 1, wherein: The drying rack (2) is made of a stainless steel woven mesh, and the mesh surface is stamped into a wave-shaped structure as a whole.

5. The drying apparatus for processing electronic components according to claim 1, wherein: The upper end surface of the box (1) is symmetrically provided with two fresh air inlets (102), and the inside of each of the two fresh air inlets (102) is provided with a filter hopper.

6. The drying apparatus for processing electronic components according to claim 1, wherein: The left and right sides of the drying rack (2) are fixedly connected with mounting blocks (204), and the left and right sides of the inner wall of the box (1) are provided with mounting grooves matched with the mounting blocks (204).

7. The drying apparatus for processing electronic components according to claim 2, wherein: The outer wall of the box (1) is provided with a control panel (4), and the heating unit (202), the ceramic radiator (201), the centrifugal fan (304) and the temperature sensor (203) are electrically connected with the control panel (4).

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